Copyright
GCSE Biology: Practice & Study Guide  /  Science Courses

Test Prep Plan - Take a practice test

Take this practice test to check your existing knowledge of the course material. We'll review your answers and create a Test Prep Plan for you based on your results.
How Test Prep Plans work
1
Answer 50 questions
Test your existing knowledge.
2
View your test results
Based on your results, we'll create a customized Test Prep Plan just for you!
3
Study smarter
Study more effectively: skip concepts you already know and focus on what you still need to learn.

DNA Structure & Genomes Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

Page 1

Question 1 1. If a strand of a DNA molecule has the sequence GTCCAC, what would be the sequence of the complementary section of DNA?

Question 2 2. Chargaff Parity Rule 1 states that _____.

Question 3 3.

Place the following terms in order building out from the most basic subunit to the entire genetic unit:

I. Gene

II. DNA

III. Chromatin

IV. Nucleosome

Question 4 4. A discrete unit of DNA that produces a protein that provides the functionality a cell needs is _____.

Question 5 5. The eleventh amino acid of protein X should be serine, however due to a mutation it now has the amino acid alanine in that position. Which type of mutation could have caused this change?

Page 2

Question 6 6. Which type of mutation results in an incomplete polypeptide because of an early stop signal?

Question 7 7. In eukaryotic organisms, the DNA is stored where?

Question 8 8. Which of the following are characteristics of DNA?

Question 9 9. The human genome was officially and completely mapped out by what year?

Question 10 10. The Human Genome Project was created to map out what?

Page 3

Question 11 11. What was the Human Genome Project?

Question 12 12. Why are proteomes important to study?

Question 13 13. The egg cell of a rabbit, which is a diploid organism, has 22 chromosomes. How many chromosomes can be found in a rabbit's neuron cell?

Question 14 14. At conception, your mother contributed a gene that encoded for the sickle hemoglobin (hemoglobin S), while your father contributed the same gene that encoded for normal hemoglobin (hemoglobin A). Which of the following denotes the DNA structures which carry these variants?

Question 15 15. What does DNA stand for?

Page 4

Question 16 16. Which of the following statements is true?

Question 17 17. Mutations are defined as which of the following?

Question 18 18. What are the differences between somatic and germ-line mutations?

Question 19 19. Genes carry instructions to make _____.

Question 20 20. Genes are small sequences on DNA, which is coiled up super tight to form _____.

Page 5

Question 21 21. What is the process of creating mRNA from DNA called?

Question 22 22. Which term best describes the process of ribosomes reading mRNA and making protein?

Question 23 23. Which statement is false regarding introns?

Question 24 24. Even though we have discovered several functions for non-coding DNA there are still large sections for which we have not identified a function. Why do we think non-coding DNA for which we have not discovered a function is important?

Question 25 25. Proteins are biological molecules made of _____.

Page 6

Question 26 26. When a protein makes it easier for a biological reaction to happen, it is acting as _____.

Question 27 27. DNA serves as the template for building which molecule?

Question 28 28. The multi-step process of making a protein is called:

Question 29 29. DNA is a polynucleotide molecule consisting of the following nucleotides:

Question 30 30. The combination of multiple histones and DNA is called what?

DNA Structure & Genomes Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

Support